IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0089176
(2011-04-18)
|
등록번호 |
US-8697164
(2014-04-15)
|
발명자
/ 주소 |
- Foley, Terence J.
- Jimenez, Guillermo M.
|
출원인 / 주소 |
- Dole Fresh Vegetables, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
39 |
초록
▼
Lettuce can be commercially packaged in the field using a wrap that has a body with an opening, and an elastomeric portion around the opening. The elastomeric portion of the wrap is stretched wide enough to place the head into the wrap. The head is placed into the body of the wrap, and the stretched
Lettuce can be commercially packaged in the field using a wrap that has a body with an opening, and an elastomeric portion around the opening. The elastomeric portion of the wrap is stretched wide enough to place the head into the wrap. The head is placed into the body of the wrap, and the stretched elastomeric portion is released. The relaxed elastomeric portion holds the wrap around the head.
대표청구항
▼
1. A method of commercially packaging lettuce in a field using a wrap, the lettuce having a head, a stem, and roots, wherein the stem connects the head to the roots when the lettuce is growing in the ground, the wrap having a body with an opening and an elastomeric portion, wherein the elastomeric p
1. A method of commercially packaging lettuce in a field using a wrap, the lettuce having a head, a stem, and roots, wherein the stem connects the head to the roots when the lettuce is growing in the ground, the wrap having a body with an opening and an elastomeric portion, wherein the elastomeric portion is attached near the opening of the wrap, wherein the wrap has a portion that is attached to a belt worn by a cutter, and wherein the wrap hangs as a stack of wraps from the belt worn by the cutter, the method comprising: a) cutting the lettuce at the stem to harvest the head from the ground;b) extending the elastomeric portion of the wrap to form a stretched portion;c) placing the head through the stretched portion of the wrap into the body of the wrap;d) releasing the stretched portion of the wrap, wherein the wrapped head remains attached to the belt worn by the cutter;e) detaching the wrapped head from the belt worn by the cutter; andf) placing the detached wrapped head in a carton,wherein steps a)-f) are performed in the field in which the head was harvested. 2. The method of claim 1, wherein the body is dimensioned to completely cover the head. 3. The method of claim 1, wherein the body comprises a material selected from the group consisting of low-density polyethylene, linear low-density polyethylene, high-density polyethylene, polypropylene, butadiene, polystyrene, polyester, and any combinations thereof. 4. The method of claim 1, wherein the body has one or more perforations. 5. The method of claim 4, wherein each perforation has a diameter greater than or equal to about 0.002 mm and less than or equal to about 0.5 inch. 6. The method of claim 1, wherein the elastomeric portion comprises a material selected from the group consisting of polyisoprene, polybutadiene, and rubber. 7. The method of claim 1, wherein the opening when the elastomeric portion is in its relaxed state has a diameter greater than or equal to about ⅛ inch and less than or equal to about 4 inches. 8. The method of claim 1, wherein the opening when the elastomeric portion is in its stretched state has a maximum diameter of about 15.5 inches. 9. The method of claim 1, wherein the lettuce is an iceberg lettuce. 10. The method of claim 1, further comprising: stacking a plurality of cartons on a pallet;vacuum-cooling the cartons on the pallet; andshipping the pallet with the stacks of cartons to destination markets. 11. A method of commercially packaging lettuce in a field using a wrap, the lettuce having a head, a stem, and roots, wherein the stem connects the head to the roots when the lettuce is growing in the ground, wherein the wrap has a body and an opening, wherein at least a portion of the opening is elastomeric, wherein at least a portion of the wrap is attached to a belt worn by a cutter, the method comprising: a) cutting the lettuce at the stem to harvest the head from the ground;b) placing the head through a stretched elastomeric opening of the wrap into the body of the wrap;c) releasing the stretched elastomeric opening of the wrap to form a wrapped head, wherein the wrapped head remains attached to the belt worn by the cutter; andd) detaching the wrapped head from the belt worn by the cutter,wherein steps a)-d) are performed in the field in which the head was harvested. 12. The method of claim 11, wherein the body is dimensioned to completely cover the head. 13. The method of claim 11, wherein the body comprises a material selected from the group consisting of low-density polyethylene, linear low-density polyethylene, high-density polyethylene, polypropylene, butadiene, polystyrene, polyester, and any combinations thereof. 14. The method of claim 11, wherein the body has one or more perforations. 15. The method of claim 11, wherein the elastomeric portion of the opening comprises a material selected from the group consisting of polyisoprene, polybutadiene, and rubber. 16. The method of claim 11, wherein the elastomeric portion of the opening in its relaxed state has a diameter greater than or equal to about ⅛ inch and less than or equal to about 4 inches. 17. The method of claim 11, wherein the elastomeric portion of the opening in its stretched state has a maximum diameter of about 15.5 inches. 18. The method of claim 11, wherein the lettuce is an iceberg lettuce.
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